#553CD7#553CD7

#553CD7 is a mid, highly saturated blue. Relative luminance 0.101; OKLCH L 48.8% C 0.223 H 281.7°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#553CD7
RGB	rgb(85, 60, 215)
HSL	hsl(250, 66%, 54%)
HSV	hsv(250, 72%, 84%)
CMYK	cmyk(60.5%, 72.1%, 0%, 15.7%)
CIE-LAB	lab(37.96, 52.51, -75.61)
CIE-LCH	lch(37.96, 92.06, 304.78°)
OKLab	oklab(48.81% 0.045 -0.218)
OKLCH	oklch(48.81% 0.223 281.7)
XYZ	xyz(17.6241, 10.0681, 65.2914)
Luminance	0.1007 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.67

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#553CD7 #BED73C

analogous

#3C71D7 #553CD7 #A23CD7

triadic

#553CD7 #D7553C #3CD755

tetradic

#553CD7 #D73C71 #BED73C #3CD7A2

square

#553CD7 #D73C71 #BED73C #3CD7A2

split-complementary

#553CD7 #D7A23C #71D73C

monochromatic

#2A1A7F #3B24B1 #553CD7 #816FE1 #AEA2EC

Accessibility & contrast

On white

6.97

#553CD7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#553CD7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #553CD7

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##553CD7	#FFFFFF	#000000	##FFFFFF
##553CD7	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FDC

Deuteranopia (green-blind)

#0054D4

Tritanopia (blue-blind)

#006786

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #553cd7;
/* rgb */ color: rgb(85, 60, 215);
/* oklch */ color: oklch(48.8% 0.223 281.7);

Tailwind

colors: {
  custom: {
    50: '#9375e5',
    500: '#553cd7',
    950: '#000000',
  },
}

SCSS

$custom: #553cd7;
$custom-light: #9375e5;
$custom-dark: #000000;

JSON

{
  "hex": "#553cd7",
  "rgb": {
    "r": 85,
    "g": 60,
    "b": 215
  },
  "hsl": {
    "h": 249.677,
    "s": 65.957,
    "l": 53.922
  },
  "oklch": {
    "l": 0.48813,
    "c": 0.22259,
    "h": 281.7
  },
  "luminance": 0.10069
}

Semantic roles & 50–950 ramp

primary

#553CD7

secondary

#CED896

accent

#E93FCD

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #553CD7

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →